measure.h File Reference

#include <math.h>

Go to the source code of this file.

Classes
struct	MEASUREMENT

Macros
#define	ADD_SAMPLE(m, s)
#define	MEAN(m)
#define	new_measurement(m)
#define	number_of_samples(m)   ((m).num_samples)
#define	standard_deviation(m)   ((float) sqrt (VARIANCE (m)))
#define	VARIANCE(m)
#define	print_summary(string, measure)

Macro Definition Documentation

#define ADD_SAMPLE	(		m,
			s
	)

Value:

(m.sum_of_samples += (float) (s),               \
        m.sum_of_squares += (float) (s) * (float) (s), \
        ++m.num_samples)

Definition at line 63 of file measure.h.

#define MEAN

(

m

)

Value:

((m).num_samples ?                                  \
        ((float) ((m).sum_of_samples / (m).num_samples)) : \
        0)

Definition at line 74 of file measure.h.

#define new_measurement

(

m

)

Value:

((m).num_samples    = 0, \
        (m).sum_of_samples = 0, \
        (m).sum_of_squares = 0)

Definition at line 86 of file measure.h.

#define number_of_samples

(

m

)

((m).num_samples)

Definition at line 97 of file measure.h.

#define print_summary	(		string,
			measure
	)

Value:

cprintf ("\t%-20s \tn = %d, \tm = %4.2f, \ts = %4.2f\n ",  \
                        string,                                          \
                        number_of_samples  (measure),                    \
                        MEAN           (measure),                    \
                        standard_deviation (measure))

Definition at line 129 of file measure.h.

#define standard_deviation

(

m

)

((float) sqrt (VARIANCE (m)))

Definition at line 106 of file measure.h.

#define VARIANCE

(

m

)

Value:

(((m).num_samples > 1) ?                            \
        ((float)                                           \
        (((m).num_samples * (m).sum_of_squares -          \
                (m).sum_of_samples * (m).sum_of_samples) /      \
        (((m).num_samples - 1) * (m).num_samples)))   :  \
        0)

Definition at line 115 of file measure.h.